CN211993579U - Discharging device and multifunctional mixer truck - Google Patents
Discharging device and multifunctional mixer truck Download PDFInfo
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- CN211993579U CN211993579U CN202020442065.2U CN202020442065U CN211993579U CN 211993579 U CN211993579 U CN 211993579U CN 202020442065 U CN202020442065 U CN 202020442065U CN 211993579 U CN211993579 U CN 211993579U
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Abstract
The utility model discloses a discharging device and multi-functional trucd mixer. The discharging device comprises a left group of side plates and a right group of side plates which are arranged on the left side and the right side of the discharging port, and also comprises an arc-shaped plate, the left edge and the right edge of which are respectively connected with the side plates on the two sides, and the arc-shaped plate is provided with an output port; the discharging device also comprises a discharging door and a driving mechanism for controlling the opening and closing of the discharging door; the upper end of discharge door is connected with the upper end rotation of discharge gate, when the discharge door rotates under actuating mechanism's control, the lower limb of discharge door keeps in contact with the interior concave surface of arc. The mixer truck comprises the discharging device, and also comprises a rotary sealing device, a sealing cover, a feeding hopper, a discharging hopper and the like. The utility model provides a discharging device has realized that the pipeline of high mobility concrete is defeated to expect, through rotatory switching, can also provide the function of the chute formula business turn over material from doing hard concrete to high mobility concrete to reach the multi-functional purpose of whole car multi-purpose.
Description
Technical Field
The utility model relates to a discharging device for exporting concrete, still include a trucd mixer that uses the device.
Background
The existing concrete mixing and transporting vehicle is a runner type discharging vehicle, when concrete is dry (sticky) and poor in flowability, discharging resistance is large, the concrete cannot flow normally, and people are required to take the concrete. Meanwhile, as the open runner type concrete is adopted, the high-fluidity concrete needing pipeline material conveying can not meet the use requirement, and the serious problem of scattering exists. Generally, these two motorcycle types are incompatible, the utility model aims at providing a discharging device, and integrated rotary seal realize doing hard concrete and high mobility concrete mixer truck unified on a car.
SUMMERY OF THE UTILITY MODEL
The utility model provides a discharging device and multi-functional trucd mixer, its purpose: (1) realizing the rapid pipeline material conveying of the high-fluidity concrete; (2) the device is suitable for quick discharge of dry and hard concrete and quick pipeline delivery of high-fluidity concrete; (3) solves the problem of scattering during discharging.
The utility model discloses technical scheme as follows:
a discharging device comprises a left group of side plates and a right group of side plates which are arranged on the left side and the right side of a discharging port, and also comprises an arc-shaped plate, the left edge and the right edge of which are respectively connected with the side plates on the two sides, wherein an output port is formed on the arc-shaped plate;
the discharging device also comprises a discharging door and a driving mechanism for controlling the opening and closing of the discharging door;
the upper end of discharge door is connected with the upper end rotation of discharge gate, when the discharge door rotated under actuating mechanism's control, the lower limb of discharge door kept in contact with the interior concave surface of arc, the side reason kept in contact with the internal surface of curb plate.
As a further improvement of the discharging device: the side plates are sector plates, and the left edge and the right edge of each arc-shaped plate are connected with the arc-shaped edges of the two groups of sector plates.
As a further improvement of the discharging device: the output port is connected with a pipe joint.
As a further improvement of the discharging device: the driving mechanism is a telescopic cylinder.
The utility model also provides a multifunctional mixer truck, which comprises the discharging device, a mixing tank and a sealing cover positioned at the rear side of the mixing tank, wherein the mixing tank is connected with the sealing cover through a rotary sealing device;
the stirring truck also comprises a stopping mechanism for preventing the sealing cover from rotating along with the stirring barrel, when the stopping mechanism is in a braking position, the sealing cover is static relative to the truck body of the stirring truck, and when the stopping mechanism is in a non-braking position, the sealing cover rotates along with the stirring barrel under the driving of the rotary sealing device;
the sealing cover is provided with a feeding hopper and a discharging hopper, when the opening of the feeding hopper is upward, the feeding hopper and the discharging hopper are used as feeding hoppers, and when the opening of the feeding hopper and the discharging hopper is downward, the feeding hopper and the discharging hopper are used as discharging hoppers;
the discharging device is arranged below the feeding hopper and the discharging hopper, and the discharging port is arranged on the sealing cover.
As a further improvement of the mixer truck: the sealing cover or the rotary sealing device is provided with a convex block, and the stop mechanism is a fixed or movable stop block which is arranged on the vehicle body and is used for being matched with the convex block.
As a further improvement of the mixer truck: the rotary sealing device comprises a ring rail arranged at the rear end of the stirring barrel, the inner edge of the ring rail is connected with the rear end of the stirring barrel, and the ring rail is positioned on the front side of the sealing cover;
the rotary sealing device also comprises a connecting ring which is arranged at the front end of the sealing cover and sleeved outside the ring rail, and a fixing ring which is arranged at the front end of the connecting ring and positioned at the front side of the ring rail; the ring rail is located in an annular space defined by the connecting ring and the fixing ring, the ring rail is in sliding fit with the connecting ring and the fixing ring, and an annular sealing mechanism is further arranged in the annular space.
As a further improvement of the mixer truck: the sealing mechanism in the annular space comprises a sealing ring and a sealing ring;
the cross section of the sealing ring is L-shaped and comprises an annular part and a cylindrical part, wherein the front end of the cylindrical part is connected with the inner edge of the annular part;
the front end surface of the ring rail is in contact with the rear end surface of the fixing ring, and the rear end surface of the ring rail is in contact with the front end surface of the annular part; the inner side of the front end of the connecting ring is provided with an annular groove, and the outer edges of the annular rail and the annular part are both positioned in the annular groove;
the sealing ring is positioned in a space surrounded by the annular part, the cylindrical part, the sealing cover and the connecting ring.
As a further improvement of the mixer truck: a gap is reserved between the outer circular surface of the sealing ring and the connecting ring, a compression ring with a wedge-shaped section is installed in the gap, and the rear end of the compression ring is in contact with the sealing cover.
As a further improvement of the mixer truck: and the top of the connecting ring is also provided with a lubricant cavity which is communicated with the annular groove.
Compared with the prior art, the utility model discloses following beneficial effect has: (1) when the discharging device is opened, the discharging device can be enclosed with the side plates on the two sides and the arc plate on the rear side to form a discharging cavity, the front end of the discharging cavity is communicated with the inner cavity of the stirring barrel, the rear end of the discharging cavity is communicated with the pipe joint and the conveying pipe, and the discharging cavity is continuously expanded backwards along with the upward turning of the discharging door, so that the pipeline conveying of concrete is realized, and the problem of scattering during discharging is avoided; (2) the utility model discloses use rotary seal device to be connected sealed lid and agitator, one side of sealed lid sets up the business turn over hopper that feeding and ejection of compact unite two into one, the opposite side sets up pipeline conveying mouth, reaches rotary seal's purpose on the one hand, on the other hand uses locking mechanism to fix the sealed lid that rotates along with the agitator, realizes the function conversion of business turn over hopper ejection of compact and pipeline defeated material, has simplified the structure, has lightened weight, cooperates aforementioned discharge mechanism, has realized chute type business turn over material and pipeline defeated material dual function in limited space; (3) the feeding and discharging at any angle can be realized by arranging a plurality of groups of lugs or teeth matched with the stop mechanism, when the material in the stirring barrel is higher than the opening of the stirring barrel, the material can be stopped midway, the material higher than the opening of the stirring barrel is discharged completely, and then the material is gradually rotated downwards for discharging until the material inlet and the material outlet reach the bottom working position; (4) the utility model integrates the rotary support and the rotary seal, thereby not only simplifying the structure and lightening the weight, but also facilitating the operation and maintenance and improving the reliability of the system; (5) the sealing device is in rotary connection with the stirring barrel, so that external force damage to the sealing element caused by vehicle bumping and stirring barrel deformation is reduced, abrasion is reduced, and movement resistance is reduced; (6) the lubricating work of the connecting ring as a rotary support, the sealing ring as a rotary seal and the sealing ring can be completed in one cavity, and meanwhile, as the lubricating agent lubricates the connecting ring at first and then lubricates the sealing ring and the sealing ring, the sealing ring can also play a role of a rotary oil seal while being used as a sealing element, thereby achieving multiple purposes, simplifying the structure, increasing the functions, improving the efficiency and reducing the overflow of the lubricating agent; (7) the rotary sealing device can rotate together with the stirring barrel, so that the abrasion of the rotary seal is reduced; (8) the mud that passes the sealing washer infiltration in the agitator and supports in the gyration can be gathered at emollient chamber department and is discharged, can not overflow the polluted environment, thoroughly solves the transportation and spills the hourglass problem.
Drawings
FIG. 1 is a schematic structural view of a mixer truck with an inlet and outlet hopper opening facing upward.
Fig. 2 is a schematic view of the mixer truck with the hopper opening facing downward.
Fig. 3 is a schematic structural view of a rotary seal device portion.
Detailed Description
The technical scheme of the utility model is explained in detail below with the attached drawings:
a multifunctional mixer truck is composed of two discharge ports and a feed port. One feed inlet is shared by feeding and discharging, called as a feed inlet and a discharge outlet, and the other is special, called as a discharge device. The material inlet and outlet are mainly used in the process of discharging by a launder and are suitable for high-fluidity concrete to dry and hard concrete; the discharging device is mainly used for discharging the high-fluidity concrete pipeline. The switching of discharge gate is through the agitator drive rotary seal system rotation, and rotary seal system drives the rotation that the sealed lid of gyration realized.
The method comprises the following steps: as shown in fig. 1 and 2, the stirring barrel 1 and a sealing cover 3 are arranged at the rear side of the stirring barrel 1, and the stirring barrel 1 is connected with the sealing cover 3 through a rotary sealing device 2. The sealing cover 3 is provided with a feeding hopper 4 and a discharge port positioned below the feeding hopper 4, the discharge port is communicated with the inside of the stirring barrel 1, and a discharge device is arranged at the discharge port.
The discharging device comprises a left group of fan-shaped side plates 6 and a right group of fan-shaped side plates 6 which are arranged on the left side and the right side of the discharging port, and further comprises an arc plate 7 which is connected with the side plates 6 on the left side and the right side respectively, and an output port is formed in the arc plate 7. And a pipe joint 8 is connected at the output port.
The upper end of the discharge door 9 is rotatably connected with the upper end of the discharge hole.
The discharging device further comprises a discharging door 9 and a driving mechanism for controlling the opening and closing of the discharging door 9, the driving mechanism is a telescopic cylinder 5, one end of the driving mechanism is rotatably connected with the feeding and discharging hopper 4, and the other end of the driving mechanism is rotatably connected with the discharging door 9.
When the discharge door 9 rotates under the control of the driving mechanism, the lower edge of the discharge door 9 keeps contact with the concave surface of the arc-shaped plate 7.
When the discharge door 9 is opened, a closed discharge cavity can be enclosed by the side plates 6 at two sides and the arc plate 7 at the rear side, the front end of the discharge cavity is communicated with the inner cavity of the stirring barrel 1, and the rear end of the discharge cavity is communicated with the pipe joint 8 and a conveying pipe connected with the pipe joint 8. Along with the upturning of the discharge door 9, the discharge cavity is continuously expanded backwards and is used for pipeline material conveying of high-fluidity concrete.
As shown in fig. 3, the rotary sealing device 2 has the following specific structure: the rear end of the stirring barrel 1 is provided with a circular rail 2-3, the inner edge of the circular rail 2-3 is connected with the rear end of the stirring barrel 1, and the circular rail 2-3 is positioned on the front side of the sealing cover 3.
The front end of the sealing cover 3 is provided with a connecting ring 2-2 sleeved outside the ring rail 2-3, and the sealing cover 3 and the connecting ring 2-2 are directly provided with sealing gaskets 2-4. The front end of the connecting ring 2-2 is provided with a fixing ring 2-1 positioned at the front side of the ring rail 2-3. The fixing ring 2-1 is split and formed by splicing more than two groups of arc-shaped fixing counter rings, and is convenient to disassemble and assemble.
The ring rail 2-3 is located in an annular space defined by the connecting ring 2-2 and the fixing ring 2-1, and the ring rail 2-3 is in sliding fit with the fixing ring 2-1 and the connecting ring 2-2.
An annular sealing mechanism is also arranged in the annular space. The sealing mechanism comprises a sealing ring 2-5 clamped between the connecting ring 2-2 and the ring rail 2-3 and a sealing ring 2-6 supported by the sealing ring 2-5. The sealing rings 2-6 are made of fibers or elastic materials, the cross section of each sealing ring is square or rectangular, and the sealing rings are in one group or multiple groups. Also comprises an L-shaped sealing ring 2-5, and the inner edge of the annular part of the L-shaped sealing ring is connected with a cylindrical part.
The front end face of the ring rail 2-3 is in contact with the rear end face of the fixed ring 2-1, and the rear end face of the ring rail 2-3 is in contact with the front end face of the annular part; an annular groove is formed in the inner hole at the front end of the connecting ring 2-2, and the outer edges of the annular rail 2-3 and the annular part are located in the annular groove.
The sealing ring 2-6 is positioned in a space surrounded by the annular part, the cylindrical part, the sealing cover 3 and the connecting ring 2-2 of the sealing ring 2-5. In this embodiment, the front end surface of the seal ring 2-6 is in close contact with the rear end surface of the annular portion, the rear end surface of the seal ring 2-6 is in close contact or close to the front end surface of the seal cap 3, the inner circular surface of the seal ring 2-6 is in close contact with the outer circular surface of the cylindrical portion, and the outer circular surface of the seal ring 2-6 is in close contact with the inner circular surface of the connection ring 2-2.
The connecting ring 2-2, the fixing ring 2-1 and the annular part jointly limit the position of the annular rail 2-3, and the effect of rotary support is achieved. The sealing ring 2-5 also plays a role in sealing a gap between the connecting ring 2-2 and the ring rail 2-3 and also plays a role in supporting the sealing ring 2-6.
Further, a compression ring 2-7 with a wedge-shaped section is further installed in a gap between the sealing ring 2-6 and the connecting ring 2-2, and the rear end of the compression ring 2-7 is in contact with the sealing cover 3. The compression rings 2-7 are wedged between the sealing rings 2-6 and the connecting rings 2-2, so that the sealing rings 2-6 can be compressed, and the sealing effect is enhanced. A series of compression rings 2-7 with different thicknesses can be arranged, when the sealing rings 2-6 are worn and thinned continuously, the sealing effect is deteriorated, the thicker compression rings 2-7 can be replaced in time to recover the sealing effect, and the maintenance is convenient. The compression rings 2-7 can also be in other structural forms such as annular pads, tension belts and the like. The compression rings 2-7 are preferably made of a material that does not deteriorate in water or oil, or that swells when subjected to a lubricating medium.
And a lubricant cavity is also formed in the top of the connecting ring 2-2 and communicated with the annular groove. The top of the lubricant cavity is provided with a cover, and a lubricant pipe 2-8 for injecting a lubricating medium into the lubricant cavity is also arranged. The lubricant lubricates the parts of the connecting ring 2-2 and the ring rail 2-3, lubricates the sealing ring 2-5 and the sealing ring 2-6 and plays a role of oil seal of the rotary support system. Besides lubricating the rotary sealing system, the lubricant can be accumulated in the rotary sealing cavity and plays a role of sealing together with the sealing rings 2-6. The structure is simplified, the sealing effect is improved, the efficiency is improved, and the overflow of the lubricant is reduced.
On the other hand, deposits of infiltrated concrete slurry tend to accumulate in the rotating support and rotating seal cavities, and these deposits can accumulate in the lubricant cavity. A box for containing lubricant can be added in the lubricant cavity, and the box is connected with lubricant pipes 2-8, which are convenient for integral disassembly and convenient for disassembling the box to remove the deposit in the box.
As shown in fig. 1 and 2, the front end of the feed hopper 4 is provided with a semi-open semicircular chute, the front end of the chute extends into the central charging barrel of the mixing barrel 1, and the rear end of the chute is connected with the feed inlet and discharge outlet main body.
The mixer truck further comprises a stop mechanism for preventing the sealing cover 3 from rotating along with the mixing barrel 1. The sealing cover 3 is provided with lugs 2-9 or a plurality of groups of uniformly distributed convex teeth. The stop mechanism is a fixed or movable stop block arranged on the vehicle body and used for being matched with the bumps 2-9, and is controlled by oil, a cylinder or other machines. The movable stop block is arranged on one side or both sides of the mixer truck, so that the double-safety function is realized. When the movable stop block extends to block the convex blocks 2-9, the sealing cover 3 is static relative to the body of the mixer truck. When the stop lugs 2-9 are withdrawn, the sealing cover 3 is driven by the rotary sealing device 2 to rotate together with the stirring barrel 1.
By providing a plurality of sets of projections 2-9, the sealing cap 3 can be stopped at a desired position by the stop mechanism and the projections 2-9: when the material inlet and outlet of the material inlet and outlet hopper 4 is upward, the material inlet and outlet hopper 4 is used as a feed hopper; when the sealing cover 3 rotates 180 degrees and then stops, and the material inlet and outlet port faces downwards, the material inlet and outlet hopper 4 is used as a material outlet hopper, so that the material inlet and outlet function switching of the open chute is realized.
The trucd mixer can realize two functions of chute formula ejection of compact and pipeline defeated material, and specific operation is:
a. when the chute type discharging is carried out, the stirring barrel 1 is stopped to rotate, the movable stop dog is opened to separate the movable stop dog from the lug 2-9, the stirring barrel 1 is rotated to drive the fixed ring 2-1, the connecting ring 2-2, the sealing cover 3 and the feeding and discharging hopper 4 to rotate together for 180 degrees, the stirring barrel 1 is stopped until the feeding and discharging port faces downwards, the movable stop dog is locked, and then the stirring barrel 1 is rotated to discharge materials in the discharging direction.
b. When the chute type feeding is carried out, the rotating stirring barrel 1 is stopped, the movable stop dog is opened, the stirring barrel 1 is rotated, the stirring barrel 1 drives the fixed ring 2-1, the connecting ring 2-2, the sealing cover 3, the feeding and discharging hopper 4 and the like to rotate together for 180 degrees, the feeding and discharging port faces upwards, the rotating stirring barrel 1 is stopped, and the movable stop dog is used for locking the lug 2-9.
c. When the pipeline is conveyed, the stirring barrel 1 stops rotating when the discharging device is positioned under the feeding and discharging hopper 4, the movable stop block is locked, the stirring barrel 1 drives the fixed ring 2-1 and the connecting ring 2-2 to enable the stirring barrel 1 to rotate in the discharging direction for discharging, meanwhile, the discharging door 9 is opened, and concrete is output along the pipe joint 8 and the conveying pipe.
When a plurality of sets of projections 2-9 or even teeth are provided, the sealing cover 3 can be stopped at more positions. The significance lies in that: when the material in the stirring barrel 1 is higher than the barrel opening, the stirring barrel can stop at the middle position between the feeding position and the discharging position, the material higher than the barrel opening is discharged completely, and then the discharging is rotated downwards gradually until the material inlet and outlet reaches the bottom working position.
The feed and discharge port of the feed and discharge hopper 4 can be provided with a cover plate which can be opened and closed manually or controlled to be opened and closed by an oil cylinder, an air cylinder or other mechanical mechanisms, so that the feed and discharge hopper 4 is sealed, and the structure of the feed and discharge hopper can be designed by referring to a driving mechanism for controlling the discharge door 9. When the runner type feeding or discharging is carried out, the cover plate is opened. The cover plate is closed when the pipeline is used for conveying or transporting, so that the material is prevented from being sprayed during transportation.
An arc-shaped baffle plate can be further arranged on the rotary sealing cover 3. When business turn over material mouth feeding and transportation, cowl is located the top of business turn over material mouth and uses as the sunshade, can prevent wind and rain. When the chute type discharges, the arc baffle is positioned below the material inlet and outlet and used as a discharge chute.
Claims (10)
1. A discharging device is characterized in that: the discharge port comprises a left group of side plates (6) and a right group of side plates (6) which are arranged on the left side and the right side of the discharge port, and also comprises arc plates (7) of which the left edges and the right edges are respectively connected with the side plates (6) on the two sides, wherein the arc plates (7) are provided with output ports;
the discharging device also comprises a discharging door (9) and a driving mechanism for controlling the opening and closing of the discharging door (9);
the upper end of discharge door (9) is rotated with the upper end of discharge gate and is connected, when discharge door (9) rotated under actuating mechanism's control, the lower limb of discharge door (9) kept in contact with the interior concave surface of arc (7), the internal surface of side reason and curb plate (6) kept in contact.
2. The discharge apparatus of claim 1, wherein: the side plates (6) are sector plates, and the left edge and the right edge of the arc-shaped plate (7) are connected with the arc-shaped edges of the two groups of sector plates.
3. The discharge apparatus of claim 1, wherein: the output port is connected with a pipe joint (8).
4. The discharge apparatus of claim 1, wherein: the driving mechanism is a telescopic cylinder (5).
5. The utility model provides a multi-functional trucd mixer which characterized in that: the discharging device comprises the discharging device as claimed in any one of claims 1 to 4, and further comprises a stirring barrel (1) and a sealing cover (3) positioned at the rear side of the stirring barrel (1), wherein the stirring barrel (1) is connected with the sealing cover (3) through a rotary sealing device (2);
the stirring truck also comprises a stopping mechanism for preventing the sealing cover (3) from rotating along with the stirring barrel (1), when the stopping mechanism is in a braking position, the sealing cover (3) is static relative to a truck body of the stirring truck, and when the stopping mechanism is in a non-braking position, the sealing cover (3) rotates along with the stirring barrel (1) under the driving of the rotary sealing device (2);
the sealing cover (3) is provided with a feeding and discharging hopper (4), when the opening of the feeding and discharging hopper (4) faces upwards, the feeding and discharging hopper (4) is used as a feeding hopper, and when the opening of the feeding and discharging hopper (4) faces downwards, the feeding and discharging hopper (4) is used as a discharging hopper;
the discharging device is arranged below the feeding and discharging hopper (4), and the discharging port is arranged on the sealing cover (3).
6. The multi-purpose mixer vehicle of claim 5, wherein: the sealing cover (3) or the rotary sealing device (2) is provided with a convex block (2-9), and the stop mechanism is a fixed or movable stop block which is arranged on the vehicle body and is used for being matched with the convex block (2-9).
7. The multi-purpose mixer vehicle of claim 5, wherein: the rotary sealing device (2) comprises a circular rail (2-3) arranged at the rear end of the stirring barrel (1), the inner edge of the circular rail (2-3) is connected with the rear end of the stirring barrel (1), and the circular rail (2-3) is positioned on the front side of the sealing cover (3);
the rotary sealing device (2) further comprises a connecting ring (2-2) which is arranged at the front end of the sealing cover (3) and sleeved outside the ring rail (2-3), and a fixing ring (2-1) which is arranged at the front end of the connecting ring (2-2) and positioned on the front side of the ring rail (2-3); the ring rail (2-3) is positioned in an annular space defined by the connecting ring (2-2) and the fixing ring (2-1), the ring rail (2-3) is in sliding fit with the connecting ring (2-2) and the fixing ring (2-1), and an annular sealing mechanism is further arranged in the annular space.
8. The multi-purpose mixer vehicle of claim 7, wherein: the sealing mechanism in the annular space comprises a sealing ring (2-5) and a sealing ring (2-6);
the cross section of the sealing ring (2-5) is L-shaped, and the sealing ring comprises an annular part and a cylindrical part of which the front end is connected with the inner edge of the annular part;
the front end face of the ring rail (2-3) is in contact with the rear end face of the fixing ring (2-1), and the rear end face of the ring rail (2-3) is in contact with the front end face of the annular part; an annular groove is formed in the inner side of the front end of the connecting ring (2-2), and the outer edges of the annular rail (2-3) and the annular part are located in the annular groove;
the sealing ring (2-6) is positioned in a space surrounded by the annular part, the cylindrical part, the sealing cover (3) and the connecting ring (2-2).
9. The multi-purpose mixer vehicle of claim 8, wherein: a gap is reserved between the outer circular surface of the sealing ring (2-6) and the connecting ring (2-2), a compression ring (2-7) with a wedge-shaped section is installed in the gap, and the rear end of the compression ring (2-7) is in contact with the sealing cover (3).
10. The multi-purpose mixer vehicle of claim 8, wherein: the top of the connecting ring (2-2) is also provided with a lubricant cavity, and the lubricant cavity is communicated with the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442065.2U CN211993579U (en) | 2020-03-31 | 2020-03-31 | Discharging device and multifunctional mixer truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442065.2U CN211993579U (en) | 2020-03-31 | 2020-03-31 | Discharging device and multifunctional mixer truck |
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| CN211993579U true CN211993579U (en) | 2020-11-24 |
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| CN202020442065.2U Active CN211993579U (en) | 2020-03-31 | 2020-03-31 | Discharging device and multifunctional mixer truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021197093A1 (en) * | 2020-03-31 | 2021-10-07 | 山东精砼工程机械股份有限公司 | Discharging apparatus and multifunctional mixer truck |
| CN114214972A (en) * | 2021-12-20 | 2022-03-22 | 山西省交通建设工程质量检测中心（有限公司） | Full-automatic updating equipment for cement concrete pavement layer of bridge deck and construction method |
-
2020
- 2020-03-31 CN CN202020442065.2U patent/CN211993579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021197093A1 (en) * | 2020-03-31 | 2021-10-07 | 山东精砼工程机械股份有限公司 | Discharging apparatus and multifunctional mixer truck |
| CN114214972A (en) * | 2021-12-20 | 2022-03-22 | 山西省交通建设工程质量检测中心（有限公司） | Full-automatic updating equipment for cement concrete pavement layer of bridge deck and construction method |
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